#2451A2#2451A2

#2451A2 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.1% C 0.140 H 261.0°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#2451A2
RGB	rgb(36, 81, 162)
HSL	hsl(219, 64%, 39%)
HSV	hsv(219, 78%, 64%)
CMYK	cmyk(77.8%, 50%, 0%, 36.5%)
CIE-LAB	lab(35.73, 14.56, -48.27)
CIE-LCH	lch(35.73, 50.42, 286.78°)
OKLab	oklab(45.07% -0.0219 -0.1388)
OKLCH	oklch(45.07% 0.14 261)
XYZ	xyz(10.1892, 8.8674, 35.3500)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2451A2 #A27524

analogous

#2490A2 #2451A2 #3624A2

triadic

#2451A2 #A22451 #51A224

tetradic

#2451A2 #A22490 #A27524 #24A236

square

#2451A2 #A22490 #A27524 #24A236

split-complementary

#2451A2 #A23624 #90A224

monochromatic

#0E1F3E #193870 #2451A2 #326BD1 #648FDD

Accessibility & contrast

On white

7.57

#2451A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#2451A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2451A2

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2451A2	#FFFFFF	#000000	##FFFFFF
##2451A2	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#215AA5

Deuteranopia (green-blind)

#004FA0

Tritanopia (blue-blind)

#006472

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2451a2;
/* rgb */ color: rgb(36, 81, 162);
/* oklch */ color: oklch(45.1% 0.140 261.0);

Tailwind

colors: {
  custom: {
    50: '#7281be',
    500: '#2451a2',
    950: '#000000',
  },
}

SCSS

$custom: #2451a2;
$custom-light: #7281be;
$custom-dark: #000000;

JSON

{
  "hex": "#2451a2",
  "rgb": {
    "r": 36,
    "g": 81,
    "b": 162
  },
  "hsl": {
    "h": 218.571,
    "s": 63.636,
    "l": 38.824
  },
  "oklch": {
    "l": 0.45073,
    "c": 0.14049,
    "h": 261
  },
  "luminance": 0.08869
}

Semantic roles & 50–950 ramp

primary

#2451A2

secondary

#C29F60

accent

#AC41E7

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2451A2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →